third_party/WebKit/LayoutTests/fast/js/resources/Promise-then-in-workers.js

   1 importScripts('../../../resources/js-test.js');
   2
   3 description('Test Promise.');
   4
   5 var global = this;
   6
   7 global.jsTestIsAsync = true;
   8
   9 var resolve;
  10
  11 var firstPromise = new Promise(function(newResolve) {
  12   global.thisInInit = this;
  13   resolve = newResolve;
  14 });
  15
  16 var secondPromise = firstPromise.then(function(result) {
  17   global.thisInFulfillCallback = this;
  18   shouldBeFalse('thisInFulfillCallback === firstPromise');
  19   shouldBeFalse('thisInFulfillCallback === secondPromise');
  20   shouldBeTrue('thisInFulfillCallback === global');
  21   global.result = result;
  22   shouldBeEqualToString('result', 'hello');
  23   return 'world';
  24 });
  25
  26 shouldBeFalse('thisInInit === firstPromise');
  27 shouldBeTrue('thisInInit === global');
  28 shouldBeTrue('firstPromise instanceof Promise');
  29 shouldBeTrue('secondPromise instanceof Promise');
  30
  31 secondPromise.then(null, 37).then(function(result) {
  32   global.result = result;
  33   shouldBeEqualToString('result', 'world');
  34   throw 'exception'
  35 }).then(1, 2).then(function() {
  36   testFailed('resolved');
  37 }, function(result) {
  38   testPassed('rejected');
  39   global.result = result;
  40   shouldBeEqualToString('result', 'exception');
  41 }).then(function() {
  42   testPassed('resolved');
  43   finishJSTest();
  44 }, function() {
  45   testFailed('rejected');
  46   finishJSTest();
  47 });
  48
  49 resolve('hello');
  50
  51